/*----------------------------------------------------------------------------\
|                               Tab Pane 1.02                                 |
|-----------------------------------------------------------------------------|
|                         Created by Erik Arvidsson                           |
|                  (http://webfx.eae.net/contact.html#erik)                   |
|                      For WebFX (http://webfx.eae.net/)                      |
|-----------------------------------------------------------------------------|
|                  Copyright (c) 1998 - 2003 Erik Arvidsson                   |
|-----------------------------------------------------------------------------|
| This software is provided "as is", without warranty of any kind, express or |
| implied, including  but not limited  to the warranties of  merchantability, |
| fitness for a particular purpose and noninfringement. In no event shall the |
| authors or  copyright  holders be  liable for any claim,  damages or  other |
| liability, whether  in an  action of  contract, tort  or otherwise, arising |
| from,  out of  or in  connection with  the software or  the  use  or  other |
| dealings in the software.                                                   |
| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| This  software is  available under the  three different licenses  mentioned |
| below.  To use this software you must chose, and qualify, for one of those. |
| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| The WebFX Non-Commercial License          http://webfx.eae.net/license.html |
| Permits  anyone the right to use the  software in a  non-commercial context |
| free of charge.                                                             |
| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| The WebFX Commercial license           http://webfx.eae.net/commercial.html |
| Permits the  license holder the right to use  the software in a  commercial |
| context. Such license must be specifically obtained, however it's valid for |
| any number of  implementations of the licensed software.                    |
| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| GPL - The GNU General Public License    http://www.gnu.org/licenses/gpl.txt |
| Permits anyone the right to use and modify the software without limitations |
| as long as proper  credits are given  and the original  and modified source |
| code are included. Requires  that the final product, software derivate from |
| the original  source or any  software  utilizing a GPL  component, such  as |
| this, is also licensed under the GPL license.                               |
|-----------------------------------------------------------------------------|
| 2002-01-?? | First working version                                          |
| 2002-02-17 | Cleaned up for 1.0 public version                              |
| 2003-02-18 | Changed from javascript uri for anchors to return false        |
| 2003-03-03 | Added dispose methods to release IE memory                     |
|-----------------------------------------------------------------------------|
| Dependencies: *.css           a css file to define the layout               |
|-----------------------------------------------------------------------------|
| Created 2002-01-?? | All changes are in the log above. | Updated 2003-03-03 |
\----------------------------------------------------------------------------*/

function hasSupport() 
{ 
	if (typeof hasSupport.support != "undefined")
		return hasSupport.support; var ie55 = /msie 5\.[56789]/i.test( navigator.userAgent ); hasSupport.support = ( typeof document.implementation != "undefined" &&
document.implementation.hasFeature( "html", "1.0" ) || ie55 )
	if ( ie55 ) 
		{ 
			document._getElementsByTagName = document.getElementsByTagName; document.getElementsByTagName = function ( sTagName ) 
			{ 
				if ( sTagName == "*" )
					return document.all; 
				else
				return document._getElementsByTagName( sTagName );
			};
		}
	return hasSupport.support;
}

function WebFXTabPane( el, bUseCookie ) 
{ 
	if ( !hasSupport() || el == null ) return; 
	this.element = el; 
	this.element.tabPane = this; 
	this.pages = []; 
	this.selectedIndex = null; 
	this.useCookie = bUseCookie != null ? bUseCookie : true; 
	this.element.className = this.classNameTag + " " + this.element.className; 
	this.tabRow = document.createElement( "div" ); 
	this.tabRow.className = "tab-row"; el.insertBefore( this.tabRow, el.firstChild ); 
	var tabIndex = 0; 
/*
	if ( this.useCookie ) 
	{ 
		tabIndex = Number( WebFXTabPane.getCookie( "webfxtab_" + this.element.id ) ); 
		if ( isNaN( tabIndex ) )
			tabIndex = 0;
	}
*/
	tabIndex = 0;
	this.selectedIndex = tabIndex; 
	var cs = el.childNodes; 
	var n; 
	for (var i = 0; i < cs.length; i++) 
	{ 
		if (cs[i].nodeType == 1 && cs[i].className == "tab-page") 
			{ this.addTabPage( cs[i] );}
	}
}

WebFXTabPane.prototype.classNameTag = "dynamic-tab-pane-control"; 

WebFXTabPane.prototype.setSelectedIndex = function ( n ) 
{ 
	if (this.selectedIndex != n) 
	{ 
		if (this.selectedIndex != null && this.pages[ this.selectedIndex ] != null )
			this.pages[ this.selectedIndex ].hide(); 
			this.selectedIndex = n; 
			this.pages[ this.selectedIndex ].show(); 
			if ( this.useCookie )
				WebFXTabPane.setCookie( "webfxtab_" + this.element.id, n );
	}
};

WebFXTabPane.prototype.getSelectedIndex = function () { return this.selectedIndex;}; 

WebFXTabPane.prototype.addTabPage = function ( oElement ) 
{ 
	if ( !hasSupport() ) return; 
	if ( oElement.tabPage == this )
		return oElement.tabPage; 
	var n = this.pages.length; 
	var tp = this.pages[n] = new WebFXTabPage( oElement, this, n ); 
	tp.tabPane = this; 
	this.tabRow.appendChild( tp.tab ); 
	if ( n == this.selectedIndex )
		tp.show(); 
	else
		tp.hide(); 
	return tp;
}; 

WebFXTabPane.prototype.dispose = function () { this.element.tabPane = null; this.element = null; this.tabRow = null; for (var i = 0; i < this.pages.length; i++) { this.pages[i].dispose(); this.pages[i] = null;}
this.pages = null;}; WebFXTabPane.setCookie = function ( sName, sValue, nDays ) { var expires = ""; if ( nDays ) { var d = new Date(); d.setTime( d.getTime() + nDays * 24 * 60 * 60 * 1000 ); expires = "; expires=" + d.toGMTString();}
document.cookie = sName + "=" + sValue + expires + "; path=/";}; WebFXTabPane.getCookie = function (sName) { var re = new RegExp( "(\;|^)[^;]*(" + sName + ")\=([^;]*)(;|$)" ); var res = re.exec( document.cookie ); return res != null ? res[3] : null;}; WebFXTabPane.removeCookie = function ( name ) { setCookie( name, "", -1 );}; 

function WebFXTabPage( el, tabPane, nIndex ) 
{ 
	if ( !hasSupport() || el == null ) return; 
	this.element = el; 
	this.element.tabPage = this; 
	this.index = nIndex; 
	var cs = el.childNodes; 
	for (var i = 0; i < cs.length; i++) 
	{ 
		if (cs[i].nodeType == 1 && cs[i].className == "tab") 
			{ this.tab = cs[i]; break;}
	}

	var a = document.createElement( "A" ); 
	this.aElement = a; 
	a.href = "#"; 
	a.onclick = function () { return false;}; 
	while ( this.tab.hasChildNodes() )
		a.appendChild( this.tab.firstChild ); 
	this.tab.appendChild( a ); 
	var oThis = this; 
	this.tab.onclick = function () 
	{ oThis.select();}; 
	this.tab.onmouseover = function () 
	{ WebFXTabPage.tabOver( oThis );}; 
	this.tab.onmouseout = function () { WebFXTabPage.tabOut( oThis );};}
	
	WebFXTabPage.prototype.show = function () 
	{ 
		var el = this.tab; 
		var s = el.className + " selected"; s = s.replace(/ +/g, " "); 
		el.className = s; 
		this.element.style.display = "block";
	}; 

	WebFXTabPage.prototype.hide = function () 
	{ 
		var el = this.tab; 
		var s = el.className; s = s.replace(/ selected/g, ""); 
		el.className = s; this.element.style.display = "none";
	}; 
//for category's group selection
	WebFXTabPage.prototype.select = function () 
	{ 
		this.tabPane.setSelectedIndex( this.index );
	}; 

	WebFXTabPage.prototype.dispose = function () 
	{ 
		this.aElement.onclick = null; 
		this.aElement = null; 
		this.element.tabPage = null; 
		this.tab.onclick = null; 
		this.tab.onmouseover = null; 
		this.tab.onmouseout = null; 
		this.tab = null; 
		this.tabPane = null; 
		this.element = null;
	}; 

	WebFXTabPage.tabOver = function ( tabpage ) 
	{ 
		var el = tabpage.tab; 
		var s = el.className + " hover"; s = s.replace(/ +/g, " "); 
		el.className = s;
	}; 

	WebFXTabPage.tabOut = function ( tabpage ) 
	{ 
		var el = tabpage.tab; 
		var s = el.className; s = s.replace(/ hover/g, ""); 
		el.className = s;
	}; 

	function setupAllTabs() 
	{ 
		if ( !hasSupport() ) 
			return; 
		var all = document.getElementsByTagName( "*" ); 
		var l = all.length; 
		var tabPaneRe = /tab\-pane/; 
		var tabPageRe = /tab\-page/; 
		var cn, el; 
		var parentTabPane; 
		for ( var i = 0; i < l; i++ ) 
		{ 
			el = all[i]
			cn = el.className; 
			if ( cn == "" ) continue; 
			if ( tabPaneRe.test( cn ) && !el.tabPane )
				new WebFXTabPane( el ); 
			else if ( tabPageRe.test( cn ) && !el.tabPage &&
			tabPaneRe.test( el.parentNode.className ) ) { el.parentNode.tabPane.addTabPage( el );}
		}
}


function disposeAllTabs() { if ( !hasSupport() ) return; var all = document.getElementsByTagName( "*" ); var l = all.length; var tabPaneRe = /tab\-pane/; var cn, el; var tabPanes = []; for ( var i = 0; i < l; i++ ) { el = all[i]
cn = el.className; if ( cn == "" ) continue; if ( tabPaneRe.test( cn ) && el.tabPane )
tabPanes[tabPanes.length] = el.tabPane;}
for (var i = tabPanes.length - 1; i >= 0; i--) { tabPanes[i].dispose(); tabPanes[i] = null;}
}
if ( typeof window.addEventListener != "undefined" )
window.addEventListener( "load", setupAllTabs, false ); else if ( typeof window.attachEvent != "undefined" ) { window.attachEvent( "onload", setupAllTabs ); window.attachEvent( "onunload", disposeAllTabs );}
else { if ( window.onload != null ) { var oldOnload = window.onload; window.onload = function ( e ) { oldOnload( e ); setupAllTabs();};}
else
window.onload = setupAllTabs;}
